D00: Carcinoma in situ of oral cavity, esophagus and stomach
Codes under D00 (Carcinoma in situ of oral cavity, esophagus and stomach). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D00.0 | Carcinoma in situ of lip, oral cavity and pharynx | — |
| D00.0 | Carcinoma in situ of lip, oral cavity and pharynx | — |
| D00.00 | Carcinoma in situ of oral cavity, unspecified site | ✓ |
| D00.00 | Carcinoma in situ of oral cavity, unspecified site | ✓ |
| D00.01 | Carcinoma in situ of labial mucosa and vermilion border | ✓ |
| D00.01 | Carcinoma in situ of labial mucosa and vermilion border | ✓ |
| D00.1 | Carcinoma in situ of esophagus | ✓ |
| D00.1 | Carcinoma in situ of esophagus | ✓ |
| D00.02 | Carcinoma in situ of buccal mucosa | ✓ |
| D00.02 | Carcinoma in situ of buccal mucosa | ✓ |
| D00.2 | Carcinoma in situ of stomach | ✓ |
| D00.2 | Carcinoma in situ of stomach | ✓ |
| D00.03 | Carcinoma in situ of gingiva and edentulous alveolar ridge | ✓ |
| D00.03 | Carcinoma in situ of gingiva and edentulous alveolar ridge | ✓ |
| D00.04 | Carcinoma in situ of soft palate | ✓ |
| D00.04 | Carcinoma in situ of soft palate | ✓ |
| D00.05 | Carcinoma in situ of hard palate | ✓ |
| D00.05 | Carcinoma in situ of hard palate | ✓ |
| D00.06 | Carcinoma in situ of floor of mouth | ✓ |
| D00.06 | Carcinoma in situ of floor of mouth | ✓ |
| D00.07 | Carcinoma in situ of tongue | ✓ |
| D00.07 | Carcinoma in situ of tongue | ✓ |
| D00.08 | Carcinoma in situ of pharynx | ✓ |
| D00.08 | Carcinoma in situ of pharynx | ✓ |
Frequently asked questions
What is ICD-10-CM code D00?
D00 is an ICD-10-CM category covering Carcinoma in situ of oral cavity, esophagus and stomach. It contains 24 more specific diagnosis codes, 22 of which are billable.
Is D00 a billable code?
No — D00 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D00.0 — Carcinoma in situ of lip, oral cavity and pharynx). 22 of the 24 codes under D00 are billable.
What codes fall under D00?
D00 includes D00.0, D00.0, D00.00, D00.00, D00.01, plus 19 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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